摘要：
一. Oracle Checkpoint 说明1.1 Checkpoint（1）A synchronization event at aspecific point in time（2）Causes some or all dirty blockimages to be written to the database thereby guaranteeing that blocks dirtiedprior to that point in time get written（3）Brings administration up to date（4）Several types of checkp 阅读全文
摘要：
一. RBA 说明之前整理了一个rdba和dba 的说明文档，参考： Oracle rdba和 dba 说明 http://blog.csdn.net/tianlesoftware/article/details/6529346 在MOS的文档：Question About RBA (Redo Block Address) [ID 759966.1] 有对RBA的说明。 A"Redo Block Address" (RBA) describes a physical location within aredo log file. RBA 由以下三部分组成： （1）the l 阅读全文